An earlier study by the same team found no link between parents working in the nuclear industry and childhood cancers such as leukaemia and non-Hodgkin's lymphoma.

BBC: Nuclear birth fears eased

Rep. Dave Camp, chairman of the House Ways and Means Committee and a leading Republican voice on taxes and the deficit, will undergo treatment for non-Hodgkin's lymphoma, he said in a written statement on Saturday.

WSJ: Rep. Camp Has Non-Hodgkin's Lymphoma

Boys are more likely to develop non-Hodgkin's lymphoma, for instance, while girls are more likely to develop thyroid carcinoma and melanoma.

ECONOMIST: Children and cancer